AD 56397215 36V Solenoid Valve Assembly for Nilfisk Advance Floor Scrubbers. Trusted and reliable Deltrol brand solenoid solution valve with chemical resistant viton seals. Fits Nilfisk and Advance floor scrubber models including Adhancer Rider Series (R28-C/R32-C), Adgressor/Adgressor AXP Series (2400, 2600, 2810, 3210 - Cyl. & Disc), Advenger/Advenger AXP Series (2400, 2600, 2810, 3210, BR 600S, 650S, 700S, 800S, C/D/SC/EDS), Warrior ST/AXP Series, ConvertaMAX 34/34ST, I-MAX 28C/32C/34HD, Nilfisk BA 750C, BA 755, BA 855, BA 850S SBG Special, BR 600S/SC BR 650S/SC, BR 700S/SC, BR 850S/SC, BR 950S/SC, BR 1050S/SC, CS7000, and many others. Please check your parts manual for the proper application. One solenoid valve required for most units. Priced Each. Replaces Nilfisk Advance 56397215. Our Part Number AD 56397215